🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.3

Radius: 10.2

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.45 AU - 0.67 AU

Year: 295 Days

Day: 12.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,992,546 km

• M1: 137,929 km (0.094 R)
• M2: 364,570 km (0.081 R)
• M3: 649,554 km (0.083 R)
• M4: 930,648 km (0.088 R)
• M5: 1,172,548 km (0.039 R)
• M6: 1,577,360 km (0.116 R)
• M7: 1,885,831 km (0.075 R)
• M8: 2,176,350 km (0.102 R)
• M9: 2,476,443 km (0.073 R)
• M10: 2,729,862 km (0.085 R)
• M11: 2,940,645 km (0.089 R)
• M12: 3,210,221 km (0.1 R)
• M13: 3,424,146 km (0.037 R)
• M14: 3,691,926 km (0.055 R)
• M15: 4,002,641 km (0.115 R)
• M16: 4,250,524 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.3

Radius: 12

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.47 AU - 0.77 AU

Year: 343 Days

Day: 5.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,992,546 km

• M1: 151,692 km (0.105 R)
• M2: 411,095 km (0.113 R)
• M3: 690,843 km (0.043 R)
• M4: 944,711 km (0.067 R)
• M5: 1,291,778 km (0.12 R)
• M6: 1,640,939 km (0.083 R)
• M7: 2,041,413 km (0.097 R)
• M8: 2,409,573 km (0.096 R)
• M9: 2,652,969 km (0.078 R)
• M10: 2,914,466 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.7

Radius: 12.5

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.51 AU - 0.73 AU

Year: 343 Days

Day: 5.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,992,546 km

• M1: 156,479 km (0.115 R)
• M2: 460,612 km (0.103 R)
• M3: 705,653 km (0.079 R)
• M4: 1,292,974 km (0.119 R)
• M5: 1,798,765 km (0.06 R)
• M6: 2,072,080 km (0.082 R)
• M7: 2,423,486 km (0.099 R)
• M8: 2,681,691 km (0.104 R)
• M9: 2,953,660 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.4

Radius: 11.7

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.11 AU - 1.73 AU

Year: 1189 Days

Day: 6.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,992,546 km

• M1: 170,691 km (0.108 R)
• M2: 697,126 km (0.098 R)
• M3: 1,164,769 km (0.026 R)
• M4: 1,389,465 km (0.112 R)
• M5: 1,681,929 km (0.094 R)
• M6: 1,955,244 km (0.093 R)
• M7: 2,702,186 km (0.082 R)
• M8: 2,935,559 km (0.108 R)
• M9: 4,694,531 km (0.106 R)
• M10: 5,641,186 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.8

Radius: 8.6

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.41 AU - 1.79 AU

Year: 1423 Days

Day: 6.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,992,546 km

• M1: 110,403 km (0.047 R)
• M2: 272,717 km (0.117 R)
• M3: 601,084 km (0.037 R)
• M4: 834,906 km (0.055 R)
• M5: 1,839,306 km (0.059 R)
• M6: 2,236,189 km (0.113 R)
• M7: 2,424,084 km (0.079 R)
• M8: 3,118,966 km (0.078 R)
• M9: 3,447,184 km (0.081 R)
• M10: 3,933,227 km (0.087 R)
• M11: 4,543,886 km (0.039 R)
• M12: 4,929,699 km (0.066 R)
• M13: 5,657,941 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.7

Radius: 13.6

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.4 AU - 1.86 AU

Year: 1463 Days

Day: 11.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,992,546 km

• M1: 176,675 km (0.046 R)
• M2: 500,405 km (0.078 R)
• M3: 856,897 km (0.088 R)
• M4: 1,269,338 km (0.089 R)
• M5: 1,674,449 km (0.084 R)
• M6: 1,996,683 km (0.065 R)
• M7: 2,261,621 km (0.1 R)
• M8: 3,059,875 km (0.106 R)
• M9: 3,377,172 km (0.087 R)
• M10: 3,711,074 km (0.04 R)
• M11: 3,987,082 km (0.083 R)
• M12: 5,160,678 km (0.067 R)
• M13: 5,627,872 km (0.104 R)
• M14: 5,896,550 km (0.107 R)
• M15: 6,171,660 km (0.075 R)
• M16: 6,586,794 km (0.082 R)
• M17: 7,520,285 km (0.09 R)
• M18: 9,392,203 km (0.1 R)
• M19: 10,504,912 km (0.114 R)
• M20: 10,947,722 km (0.064 R)
• M21: 12,148,095 km (0.099 R)
• M22: 12,678,120 km (0.061 R)
• M23: 13,055,855 km (0.111 R)
• M24: 14,223,018 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.4

Radius: 8.4

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.57 AU - 1.83 AU

Year: 1558 Days

Day: 8.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,992,546 km

• M1: 162,912 km (0.109 R)
• M2: 323,730 km (0.077 R)
• M3: 798,105 km (0.119 R)
• M4: 981,362 km (0.048 R)
• M5: 1,343,239 km (0.08 R)
• M6: 1,510,938 km (0.072 R)
• M7: 2,164,831 km (0.112 R)
• M8: 2,544,361 km (0.07 R)
• M9: 3,385,998 km (0.078 R)
• M10: 3,626,701 km (0.113 R)
• M11: 4,041,536 km (0.045 R)
• M12: 4,560,192 km (0.056 R)
• M13: 5,913,604 km (0.095 R)
• M14: 6,232,397 km (0.038 R)
• M15: 6,915,461 km (0.07 R)
• M16: 8,061,829 km (0.117 R)
• M17: 9,274,021 km (0.089 R)
• M18: 9,554,966 km (0.106 R)
• M19: 10,325,245 km (0.044 R)
• M20: 10,621,748 km (0.111 R)
• M21: 11,356,124 km (0.082 R)
• M22: 12,275,253 km (0.076 R)
• M23: 13,482,059 km (0.094 R)
• M24: 14,570,234 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.6

Radius: 10.1

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.7 AU - 2.54 AU

Year: 2170 Days

Day: 9.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,992,546 km

• M1: 125,812 km (0.034 R)
• M2: 402,269 km (0.101 R)
• M3: 806,033 km (0.076 R)
• M4: 1,317,658 km (0.076 R)
• M5: 1,761,814 km (0.093 R)
• M6: 2,603,153 km (0.085 R)
• M7: 2,794,787 km (0.084 R)
• M8: 3,061,520 km (0.085 R)
• M9: 3,255,848 km (0.063 R)
• M10: 3,514,802 km (0.115 R)
• M11: 4,569,168 km (0.081 R)
• M12: 5,995,434 km (0.105 R)
• M13: 6,229,405 km (0.069 R)
• M14: 7,403,299 km (0.066 R)
• M15: 7,729,423 km (0.089 R)
• M16: 8,017,698 km (0.05 R)
• M17: 8,425,950 km (0.108 R)
• M18: 9,033,617 km (0.072 R)
• M19: 10,364,290 km (0.061 R)
• M20: 12,366,209 km (0.059 R)
• M21: 13,419,677 km (0.08 R)
• M22: 15,406,636 km (0.079 R)
• M23: 15,814,290 km (0.035 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.9

Radius: 10.5

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.65 AU - 2.75 AU

Year: 3119 Days

Day: 11.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,992,546 km

• M1: 195,524 km (0.118 R)
• M2: 620,382 km (0.117 R)
• M3: 857,944 km (0.083 R)
• M4: 1,327,232 km (0.09 R)
• M5: 1,767,200 km (0.054 R)
• M6: 2,221,977 km (0.099 R)
• M7: 2,427,973 km (0.098 R)
• M8: 2,838,171 km (0.048 R)
• M9: 3,777,496 km (0.109 R)
• M10: 5,851,072 km (0.103 R)
• M11: 6,512,145 km (0.083 R)
• M12: 8,930,694 km (0.093 R)
• M13: 9,432,744 km (0.07 R)
• M14: 12,704,001 km (0.049 R)
• M15: 12,901,919 km (0.085 R)
• M16: 13,607,123 km (0.102 R)
• M17: 14,471,350 km (0.072 R)
• M18: 16,280,437 km (0.102 R)
• M19: 17,417,381 km (0.116 R)
• M20: 18,118,097 km (0.082 R)
• M21: 21,145,210 km (0.099 R)
• M22: 21,358,238 km (0.059 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 471.6

Radius: 3.1

Gravity: 49.07 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.33 AU - 7.43 AU

Year: 11328 Days

Day: 21.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,992,546 km

• M1: 44,131 km (0.11 R)
• M2: 722,558 km (0.069 R)
• M3: 2,641,599 km (0.08 R)
• M4: 4,092,100 km (0.119 R)
• M5: 4,202,055 km (0.098 R)
• M6: 4,952,438 km (0.077 R)
• M7: 5,797,366 km (0.107 R)
• M8: 7,208,523 km (0.115 R)
• M9: 14,864,344 km (0.066 R)
• M10: 17,194,181 km (0.115 R)
• M11: 18,920,241 km (0.101 R)
• M12: 24,460,449 km (0.094 R)
• M13: 24,594,638 km (0.101 R)
• M14: 24,931,682 km (0.113 R)
• M15: 25,544,136 km (0.059 R)
• M16: 25,956,577 km (0.054 R)
• M17: 26,511,735 km (0.107 R)
• M18: 28,791,157 km (0.094 R)
• M19: 31,772,643 km (0.063 R)
• M20: 32,386,593 km (0.069 R)
• M21: 37,013,505 km (0.081 R)
• M22: 40,212,656 km (0.032 R)
• M23: 41,076,583 km (0.111 R)
• M24: 41,163,500 km (0.047 R)
• M25: 43,992,844 km (0.108 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 14,156 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit